Re: Mailing list membership.

[Miles Fidelman <[e-mail]>]

On 3/1/17 12:14 PM, Bob Hinden wrote:

> Mike,
>
>> On Mar 1, 2017, at 10:55 AM, Michael StJohns <[e-mail]> wrote:
>>
>>> Hence mailing list systems that enforce DMARC, or request DMARC
>>> processing, are fundamentally incompatible with mailing lists as
>>> defined by section 3.10.2 of RFC 2821.
>>>
>>> If you want to participate in such mailing list, one of the best ways
>>> is to change to a mailing list system that doesn't do DMARC.
>>>
>>> Best regards,
>>>
>>> 						- Ted
>>>
>> Thanks for the clear description of the problem - I admit that I got a similar one from folks at the Seoul IETF.
>>
>> In the short term, one thing I think would be helpful is to identify for the IETF participants which email providers are known to use DMARC and maybe also a list of providers that are known not to.   Maybe add it to the IETF mailing list page at https://www.ietf.org/list/ with an explanation of what's been happening.
>>
> This is a good idea.  Taking it a step further, perhaps a warning could be included when subscribing to an IETF list from an email provider who is known to use DMARC.
>
Yes, but that warning should be on the subscription web page, or the 
list manager should be tuned to make sure that the warning notice 
doesn't get rejected by DMARC!

Miles Fidelman

-- 
In theory, there is no difference between theory and practice.
In practice, there is.  .... Yogi Berra